Elvan (disambiguation)
Elvan is the native variety of quartz-porphyry in Cornwall and Devon, England.
Source: Wikipedia
Text is available under the Creative Commons Attribution-ShareAlike License; additional terms may apply.
Elvan is the native variety of quartz-porphyry in Cornwall and Devon, England.
Source: Wikipedia
Text is available under the Creative Commons Attribution-ShareAlike License; additional terms may apply.